Home / 744,813.66-1,116,345.54-344,608.86

Finding the Fourth Proportional to 744,813.66, 1,116,345.54 and 344,608.86

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Solution

The fourth proportional to 744,813.66, 1,116,345.54 and 344,608.86 is: 516,508.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,813.66 : 1,116,345.54 = 344,608.86 : x
  2. Step 2: Convert to fraction form
    744,813.66/1,116,345.54 = 344,608.86/x
  3. Step 3: Cross multiply
    744,813.66x = 1,116,345.54 × 344,608.86
  4. Step 4: Simplify right side
    744,813.66x = 384,702,563,905.48
  5. Step 5: Solve for x
    x = 384,702,563,905.48/744,813.66
  6. Step 6: Final answer
    x = 516,508.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.